IPC Subgroup
G11B 27/1 Indexing; Addressing; Timing or synchronising; Measuring tape travel
Introduced: September 1968
Last revised: January 2006
Full Title
Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel > Indexing; Addressing; Timing or synchronising; Measuring tape travel
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
3 direct subcodes
Child Classifications
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- G11B 27/11 by using information not detectable on the record carrier
- G11B 27/19 by using information detectable on the record carrier
- G11B 27/34 Indicating arrangements